Books in Category: Environmental Issues (sorted by popularity)
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A Year at the Shore Philip Henry Gosse 221 downloads
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Barometer and Weather Guide 221 downloads
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Alaska (Icelandic) Jón Ólafsson 220 downloads
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The Salton Sea: An account of Harriman's fight with the Colorado River George Kennan 220 downloads
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London (Ancient and Modern) from the Sanitary and Medical Point of View George Vivian Poore 220 downloads
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Auroræ: Their Characters and Spectra J. Rand Capron 220 downloads
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Bird Guide: Land Birds East of the Rockies, from Parrots to Bluebirds Chester A. Reed 220 downloads
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Our Nuclear Future: Facts, Dangers and Opportunities Edward Teller and Albert L. Latter 220 downloads
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An Essay on the Encroachments of the German Ocean Along the Norfolk Coast William Hewitt 219 downloads
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Rainbow Bridge National Monument, Utah (1951) United States. National Park Service 219 downloads
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Landesverein Sächsischer Heimatschutz — Mitteilungen Band XI, Heft 1-3 : Monatsschrift für Heimatschutz und Denkmalpflege (German) 219 downloads
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Big Bend National Park: Land of Dramatic Contrasts and Scenic Grandeur W. Ray Scott 219 downloads
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The farm and the woodlot J. E. Barton 218 downloads
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The Geologic Story of Yellowstone National Park William R. Keefer 218 downloads
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Essays in Natural History and Agriculture Thomas Garnett 217 downloads
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Fossil Forests of the Yellowstone National Park Frank Hall Knowlton 216 downloads
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The Great Mississippi Flood of 1874: Its Extent, Duration, and Effects Louis Alfred Wiltz 216 downloads
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Scientific American Supplement, No. 520, December 19, 1885 Various 216 downloads
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Natural History of the Salamander, Aneides hardii Richard F. Johnston and G. A. Schad 215 downloads
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Scientific Essays and Lectures Charles Kingsley 215 downloads
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Migration of Birds (1950) Frederick Charles Lincoln 214 downloads
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Acid Rain and Our Nation's Capital: A Guide to Effects on Buildings and Monuments E. S. McGee 214 downloads
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Saguaro National Monument, Arizona Napier Shelton and Natt N. Dodge 214 downloads
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Atoms, Nature, and Man: Man-made Radioactivity in the Environment Neal O. Hines 213 downloads
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Petrified Forest National Monument (1953) United States. National Park Service 213 downloads